Klaas Pieters Huizinga, born in Lippenhuizen circa 1788, son of Pyter Classes and Swaantje Sibes, died in Leeuwarderadeel on June 23, 1845, aged approximately 57 years.

Klaas was married in Leeuwarderadeel on November 30, 1843, at the age of approximately 55 to
Froukje Wybes de Vries (aged 45 years), born de Rijp on April 14, 1798, christened in Surhuisterveen on December 23, 1798, daughter of Wybe Pieters de Vries and Ymkjen Wobbes (bargewoman), died in Leeuwarderadeel on December 5, 1862, aged 64 years.
Froukje was married before in Achtkarspelen on July 1, 1826, at the age of 28 to Jan Fedde Jans Veenstra (aged 23 years), born in Nijehaske on March 7, 1803, christened there on March 27, 1803, son of Jan Tjebbes Veenstra and Lamke Jans van der Veen, died in Leeuwarderadeel on May 15, 1835, aged 32 years. Froukje was married before in Leeuwarderadeel on July 23, 1842, at the age of 44 to Johannes Alles Algra (aged 29 years), born in Leeuwarden on November 27, 1812, son of Alle Halbes Algra and Janke Johannes, died in Leeuwarderadeel on September 26, 1842, aged 29 years. Johannes was married afterwards to Janke Johannes, born circa 1813 (?).